@article{147694,
      recid = {147694},
      author = {Porter, Oscar F.},
      title = {Undergraduate completion and persistence at four-year  colleges and universities : detailed findings /},
      publisher = {National Institute of Independent Colleges and  Universities,},
      address = {Washington, DC (Suite 750, 122 C St., NW, Washington  20001-2190) :},
      pages = {viii, 82 p. :},
      year = {1990},
      url = {http://library.usi.edu/record/147694},
}